In NYC they have this crazy card system where you swipe the card on the outside of the bus. And then if you don’t keep your card you will be practically incarcerated if a cop catches you. I remember in Amsterdam they had this funny system where you buy a ticket and you don’t even have to swipe it. Furthermore, why is the escalator at schipol a long, fairly steep, moving walkway instead of the usual escalator stairs? If you fell or dropped your luggage you would slide all the way to the bottom of the steep moving walkway.